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Ostrovityanka [42]
3 years ago
7

PLEASE HELP!!! I NEED TO KNOW HOW TO DO THIS! GEOMETRY! WILL AWARD BRAINLIEST

Mathematics
2 answers:
HACTEHA [7]3 years ago
7 0

Answer:

Did you happen to get the answer? I'm stuck on this too

Step-by-step explanation:


Dahasolnce [82]3 years ago
6 0

Answer:


Step-by-step explanation:

Given that PRST is a parallelogram

Also given that a side RS is perpendicular to ST

This implies by parallel lines property that interior angles are supplementary

Hence angle T=angle S=angle P= angle R =90 degrees

This makes PQRS a rectangle since each angle is 90 degrees

Now another is given as RPS angle =45

If RPS =45, then since PRS is a right triangle, other angle PSR =45

Or PRS is isosceles triangle with PR =RS

Now we find that in the rectangle PRST, adjacent sides are equal

Hence PRST is nothing but a square

since

i) each angle is 90

ii) adjacent sides are equal

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Pls help me out with this stupid question
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Answer:

138.248cm²

Step-by-step explanation:

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2 years ago
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3 years ago
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A spherical exercise ball has a maximum diameter of 30 inches when filled with air. The ball was completely empty at the start,
Alex73 [517]

Answer:

A) A(t)  =  4500*π  -  1600*t

B) A(4)  =  7730 in³

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The volume of the sphere is:

d max  =  30   r max  =  15 in

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A(4)  =  14130 - 6400

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C)  A(t)  =  4500*π  -  1600*t  

when  A(t) = 0   the ball got its maximum volume then:

4500*π -  1600*t  =  0

t  =   14130/1600

t  =  8,8 sec

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Answer:

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3 years ago
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